Steel joists bear upon a supporting steel truss girder with a 3x6 flat wood nailer secured at the top chord. A 1/4" by 3 1/2" by 0'-8" plate or 1/4" bent plate matches the roof slope, while a 3/4" by 3 1/2" by 2'-6" long plate with a yield strength of 50 KSI is specified at similar conditions. Angle braces per the manufacturer's recommendation tie into the bottom chords of the joist and girder assembly. Fillet welds of 1/4" and 3/16" size connect the steel elements, supplemented by typical toe nails securing the wood members.
TYP TYP TYP 1/4"x3 1/2"x0'-8" PLATE OR 1/4" BENT PL PER ROOF SLOPE 3x6 FLAT * * STEEL JOIST STEEL TRUSS GIRDER TOE NAILS TYP FOR LH SERIES 3x NAILER ANGLE BRACE PER MFR'S RECOMMENDATION AT SIM (USE 3/4"x3 1/2"x2'-6" LONG PLATE (Fy = 50 KSI) AT SIM CONDITION) 3/16 1/8 1 1/2 1/4 2 MIN 1/8 1/4
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership